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Why does `a == b or c or d` always evaluate to True?

...ll collections like these. Playing around with timeit, a in {b, c, d} is about twice as fast as a in (b, c, d) on my machine. Something to think about if this is a performance-critical piece of code. – Kevin Jun 14 '19 at 12:13 ...
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Positive Number to Negative Number in JavaScript?

... the version of chrome I was running and it worked in firefox so a typo is out of the question. I'm on Linux right now, but you're free to test your theory on chrome. Keep in mind chrome auto-updates so any bug fixes would already be applied and any new bugs would be pushed out to the community, mea...
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git checkout tag, git pull fails in branch

I have cloned a git repository and then checked out a tag: 14 Answers 14 ...
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How can I output a UTF-8 CSV in PHP that Excel will read properly?

I've got this very simple thing that just outputs some stuff in CSV format, but it's got to be UTF-8. I open this file in TextEdit or TextMate or Dreamweaver and it displays UTF-8 characters properly, but if I open it in Excel it's doing this silly íÄ kind of thing instead. Here's what I've got at...
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Dispelling the UIImage imageNamed: FUD

... if images are coming from xcasset catalogue. This leads to crashes due to out of memory. – Juraj Antas Feb 5 '18 at 22:07 add a comment  |  ...
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Are global variables in PHP considered bad practice? If so, why?

... When people talk about global variables in other languages it means something different to what it does in PHP. That's because variables aren't really global in PHP. The scope of a typical PHP program is one HTTP request. Session variables actu...
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How to change webservice url endpoint?

...ext().put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, endpointURL); System.out.println("Server said: " + echo.echo(args[0])); ... The drawback is that this only works when the original WSDL is still accessible. Not recommended. Use the WSDL to get the endpoint URL The second option is to get the...
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Xcode find caller functions

...s called): ALSO - XCode 4.5 is no longer beta, i believe, and is actually out in public EDIT #3 also note that this caller thing does NOT search for being called under the performSelector method, as in, the particular caller that has this performSelector won't show up if you had done something li...
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AngularJS - Create a directive that uses ng-model

... EDIT: This answer is old and likely out of date. Just a heads up so it doesn't lead folks astray. I no longer use Angular so I'm not in a good position to make improvements. It's actually pretty good logic but you can simplify things a bit. Directive var...
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Do you continue development in a branch or in the trunk? [closed]

...ork you do, you can have the benefit of committing your code. If you work out of the trunk only, you will probably keep your code uncommitted a lot, and hence unprotected and without automatic history. If you try to do the opposite and do all your development in the trunk you'll have the followi...